International Journal of Man-Machine Studies
Boolean search: current state and perspectives
Journal of the American Society for Information Science - Special topic issue: youth issues in information science
Concept Analysis for Module Restructuring
IEEE Transactions on Software Engineering
Formal Concept Analysis: Mathematical Foundations
Formal Concept Analysis: Mathematical Foundations
Improving retrieval feedback with multiple term-ranking function combination
ACM Transactions on Information Systems (TOIS)
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
Locating Features in Source Code
IEEE Transactions on Software Engineering
Effective Reformulation of Boolean Queries with Concept Lattices
FQAS '98 Proceedings of the Third International Conference on Flexible Query Answering Systems
Conceptual Knowledge Discovery in Databases Using Formal Concept Analysis Methods
PKDD '98 Proceedings of the Second European Symposium on Principles of Data Mining and Knowledge Discovery
A multi-level conceptual data reduction approach based on the Lukasiewicz implication
Information Sciences: an International Journal - Special issue: Information technology
Monotone concepts for formal concept analysis
Discrete Applied Mathematics - Discrete mathematics & data mining (DM & DM)
Relational concept discovery in structured datasets
Annals of Mathematics and Artificial Intelligence
Ontology Learning from Text Using Relational Concept Analysis
MCETECH '08 Proceedings of the 2008 International MCETECH Conference on e-Technologies
Concept analysis via rough set and AFS algebra
Information Sciences: an International Journal
Formal concept analysis in information science
Annual Review of Information Science and Technology
Multi-adjoint t-concept lattices
Information Sciences: an International Journal
Isotone fuzzy Galois connections with hedges
Information Sciences: an International Journal
Extending conceptualisation modes for generalised Formal Concept Analysis
Information Sciences: an International Journal
Evaluation of IPAQ questionnaires supported by formal concept analysis
Information Sciences: an International Journal
Mining gene expression data with pattern structures in formal concept analysis
Information Sciences: an International Journal
Proceedings of the 9th international conference on Formal concept analysis
ICFCA'11 Proceedings of the 9th international conference on Formal concept analysis
What's happening in semantic web: and what FCA could have to do with it
ICFCA'11 Proceedings of the 9th international conference on Formal concept analysis
Note on generating fuzzy concept lattices via Galois connections
Information Sciences: an International Journal
Formal context coverage based on isolated labels: An efficient solution for text feature extraction
Information Sciences: an International Journal
Knowledge reduction in real decision formal contexts
Information Sciences: an International Journal
Formal concept analysis as mathematical theory of concepts and concept hierarchies
Formal Concept Analysis
Ontology-based concept similarity in Formal Concept Analysis
Information Sciences: an International Journal
Information Sciences: an International Journal
On possible generalization of fuzzy concept lattices using dually isomorphic retracts
Information Sciences: an International Journal
A Categorical View on Algebraic Lattices in Formal Concept Analysis
Fundamenta Informaticae
Rough set model based on formal concept analysis
Information Sciences: an International Journal
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Formal Concept Analysis (FCA) has proven to be a feasible framework for information retrieval (IR). In this paper, with the aim of exploring the mathematical properties of the FCA-based document retrieval paradigm, we propose the notions of conjunctive and disjunctive query on the formal contexts and investigate the derived query systems from the order-theoretical perspective. We show that the conjunctive query system is isomorphic to the Galois lattice of the underlying context, while the disjunctive query system can be join-densely generated from the Galois lattice of the underlying context up to isomorphism. Next, we introduce directed disjunctive query systems and study their connection with algebraic lattices. As a result, we show that the notion of directed disjunctive query provides an alternative approach to restructuring algebraic lattices.